:root {
  --background: #f7f8fa;
  --surface: #e9eef8;
  --ink: #152037;
  --muted: #58647a;
  --line: rgba(21, 32, 55, 0.15);
  --accent: #315fcb;
  --sans: "Manrope", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "DM Mono", monospace;
  --page-width: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--background); color: var(--ink); font: 400 16px/1.55 var(--sans); }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.page-shell { width: min(calc(100% - 72px), var(--page-width)); margin: 0 auto; }

.site-header { height: 112px; display: flex; align-items: center; justify-content: flex-end; border-bottom: 1px solid var(--line); }
nav { display: flex; gap: 30px; font-size: 13px; }
nav a, .footer-links a { position: relative; }
nav a::after, .footer-links a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -4px; height: 1px; background: currentColor; transition: right 180ms ease; }
nav a:hover::after, .footer-links a:hover::after { right: 0; }

.hero { min-height: 680px; display: grid; grid-template-columns: minmax(280px, 330px) minmax(0, 700px); justify-content: center; gap: clamp(52px, 6vw, 84px); align-items: center; border-bottom: 1px solid var(--line); }
.hero-copy { grid-column: 2; grid-row: 1; padding: 72px 0 78px; }
h1 { margin: 0 0 45px; font-size: clamp(36px, 3.6vw, 46px); line-height: 0.95; font-weight: 500; letter-spacing: -0.055em; }
.introduction { max-width: 760px; margin: 0; color: var(--ink); font-size: clamp(17px, 1.6vw, 23px); line-height: 1.46; letter-spacing: -0.025em; }
.introduction a { border-bottom: 1px solid var(--ink); }
.hero-bio { max-width: 690px; margin: 25px 0 0; color: var(--muted); font-size: 15px; line-height: 1.6; }
.hero-bio a { color: var(--ink); border-bottom: 1px solid var(--line); }
.pronunciation { margin: 22px 0 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.pronunciation span { padding: 0 7px; }
.hero-links { display: flex; gap: 28px; margin-top: 42px; font-size: 13px; font-weight: 600; }
.hero-links a { padding-bottom: 3px; border-bottom: 1px solid var(--ink); }
.portrait { position: relative; grid-column: 1; grid-row: 1; width: 330px; height: 330px; margin: 0; align-self: center; overflow: hidden; border-radius: 50%; background: var(--surface); }
.portrait img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: 50% 42%; filter: saturate(0.9) contrast(0.97); }

.section { padding: 90px 0; border-bottom: 1px solid var(--line); }
.section-heading { margin-bottom: 42px; }
.section-heading h2 { margin: -8px 0 0; font-size: clamp(36px, 3.6vw, 46px); line-height: 1; font-weight: 500; letter-spacing: -0.035em; }
.updates-pair { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--line); }
.updates-pair .section { padding: 64px 0 68px; border-bottom: 0; }
.updates-pair .section:first-child { padding-right: 46px; border-right: 1px solid var(--line); }
.updates-pair .section:last-child { padding-left: 46px; }
.updates-pair .section-heading { margin-bottom: 38px; }
.dated-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.dated-list li { display: grid; grid-template-columns: 112px 1fr; gap: 20px; padding: 25px 0 27px; border-bottom: 1px solid var(--line); }
.dated-list time { padding-top: 3px; color: var(--muted); font: 300 12px/1 var(--mono); }
.dated-list p { margin: 0; font-size: 17px; line-height: 1.4; letter-spacing: -0.01em; }
.dated-list p > a { border-bottom: 1px solid var(--line); }
.dated-list p span { display: block; margin-top: 5px; color: var(--muted); font: 300 12px/1.4 var(--mono); }

.selected-work { padding: 76px 0 82px; }
.publication-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.publication-list li { border-bottom: 1px solid var(--line); }
.publication-list a { display: grid; grid-template-columns: 112px 1fr; gap: 20px; align-items: start; padding: 24px 0 25px; transition: padding 180ms ease, color 180ms ease; }
.publication-list a:hover { padding-left: 10px; color: var(--accent); }
.publication-year { padding-top: 4px; font: 300 12px/1 var(--mono); }
.publication-main { display: flex; flex-direction: column; gap: 7px; }
.publication-main strong { max-width: 850px; font-size: clamp(18px, 1.8vw, 24px); line-height: 1.28; font-weight: 500; letter-spacing: -0.018em; }
.publication-main em { color: var(--muted); font: 400 12px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.07em; }
.scholar-link { display: inline-block; margin-top: 35px; padding-bottom: 3px; border-bottom: 1px solid var(--ink); font-size: 13px; }

footer { min-height: 130px; display: flex; align-items: center; justify-content: space-between; }
.footer-identity { display: flex; align-items: baseline; gap: 18px; }
footer strong { font-size: 17px; line-height: 1; font-weight: 500; letter-spacing: -0.03em; }
footer a { font-size: 12px; }
.footer-links { display: flex; gap: 25px; font-size: 12px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}

@media (max-width: 850px) {
  .page-shell { width: min(calc(100% - 38px), var(--page-width)); }
  .site-header { height: 84px; }
  nav { width: 100%; justify-content: space-between; gap: 12px; font-size: 11px; }
  .hero { min-height: auto; display: flex; flex-direction: column; align-items: stretch; }
  .hero-copy { order: 1; padding: 52px 0 46px; }
  h1 { font-size: 36px; }
  .introduction { font-size: 17px; }
  .portrait { order: 2; width: min(100%, 350px); height: auto; aspect-ratio: 1; margin: 0 auto 44px; }
  .updates-pair { display: block; }
  .updates-pair .section { padding: 52px 0; }
  .updates-pair .section-heading { margin-bottom: 32px; }
  .updates-pair .section:first-child { padding-right: 0; border-right: 0; }
  .updates-pair .section:last-child { padding-left: 0; border-top: 1px solid var(--line); }
  .selected-work { padding: 58px 0 64px; }
  .publication-list a { grid-template-columns: 54px 1fr; gap: 12px; padding: 21px 0 22px; }
  .publication-main strong { font-size: 20px; }
  footer { min-height: 120px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 18px; }
  .footer-identity { flex-wrap: wrap; gap: 10px 18px; }
}

@media (max-width: 520px) {
  .dated-list li { grid-template-columns: 80px 1fr; gap: 12px; }
  .footer-links { flex-wrap: wrap; }
}
